books.google.com - Margaret Sanger (1883-1966) was a leading figure in the American birth control movement. Trained as a nurse, she moved to New York City to work among the poor. Having witnessed firsthand the travails of mothers in the city's poorest neighborhoods, she felt the need to provide them with information on...https://books.google.com/books/about/Motherhood_in_Bondage.html?id=KXrD8rTUHDkC&q=twenty&utm_source=gb-gplus-shareMotherhood in Bondage